Coupang’s in-house deliverymen certification system has been recognized by the Human Resources Development Service of Korea under the Ministry of Employment and Labor, the company said Tuesday. It is the first delivery-related certification to be approved by a government agency.

Coupang’s CS Delivery Expert certification, broken down to Fresh, Senior, Pro, and Master level, is used to rate the level of expertise of Coupang’s deliverymen Coupangmen.